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Wi.Tec-Sensorik · The Gas Measurement Company
INFRA.sens® AK250
Gases:
Applications
Options
Features & Benefits
- Low power consumption < 2 W @ 24 V
- Different interfaces (RS232, CAN-Bus)
- Low drift
- MARS-Tool (Wi.Tec Software)
Technical Drawing (Dimensions)
Technical Data
| General features* | |
|---|---|
| Measurement principle | Non-dispersive infrared (NDIR); dual beam; dual to quad wavelenghts |
| Measurement range | see list of measurement ranges |
| Gas flow | 0.1 – 1.5 l/min |
| Dimensions | 319mm x 120mm x 75mm |
| Weight | approx. 720g |
| Tube connector | 4/6mm tube |
| Lifetime of IR radiation source | > 40 000h |
| Measuring response* | |
|---|---|
| Warm-up time | 1 min (initial), <15 min 2 |
| Response time (t90) | 1.5s – 15s 3 |
| Detection limit (3·σ) | < 0,5 %F.S. 4 |
| Linearity error | < ± 1 %F.S. |
| Repeatibility | < ± 0.3% of reading |
| Long term stability (zero) | < ± 2 %F.S. /week |
| Long term stability (span) | < ± 2 %F.S. /month |
| Temp. Influence zero | < 1 %F.S. /10K |
| Temp. Influence span | < 1 %F.S. /10K 5 |
| Cross sensitivity | < 2 %F.S. 6 |
| Pressure influence | < 1.5%/10hPa of reading |
| Electrical inputs and outputs | |
|---|---|
| Supply voltage | 24 (15 – 30) VDC |
| Supply current (peak) | < 0.1A |
| Power consumption (average) | < 2W |
| Digital output signal | RS 232 (ASCII) or CAN-Bus |
| Climatic conditions | |
|---|---|
| Operating temperature* | 5 – 45 °C8 |
| Storage temperature | -20 – 60 °C |
| Air pressure | 600 – 1200 hPa (mbar) |
| Ambient humidity | 0 – 95 % rel. humidity (not condensing) |
Service & Support
Associated Downloads
- Data Sheet INFRA.sens® AK250
- Gas Insulated Switchgear (GIS) Monitoring of SF₆ using precise NDIR Sensor Technology
IET Journal ANNUAL BUYERS’ GUIDE 2024/25 – Dr. Mark Swetnam (Cambridge Sensotec Ltd.), Prof. Dr. Gerhard Wiegleb, Alain Barillet (Wi.Tec-Sensorik GmbH)
